Abstract
The conventional theory of electron-stimulated desorption is modified to include the effect of a surface corrugation via a surface profile function h(x,y). The method is used to interpret azimuthal asymmetry in recently observed angular distributions of ions and neutral atoms from Ni(110)-CO. The principal effect comes from modification of the Hagstrum exponential form for the neutralization rate to account for the nonplanar surface. The simple model R(x,y,z) =Aexp{-a[z-h(x,y)]}, which is valid for h(x,y) and \ensuremath{\nabla}h(x,y) small, is shown to work very well.
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